svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.dal / org.gvsig.fmap.dal.impl / src / main / java / org / gvsig / fmap / dal / feature / impl / WrappedSpatialIndex.java @ 43958
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/* gvSIG. Desktop Geographic Information System.
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*
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* Copyright ? 2007-2017 gvSIG Association
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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* For any additional information, do not hesitate to contact us
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* at info AT gvsig.com, or visit our website www.gvsig.com.
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*/
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package org.gvsig.fmap.dal.feature.impl; |
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import java.util.ArrayList; |
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import java.util.Iterator; |
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import java.util.List; |
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import org.gvsig.fmap.dal.feature.Feature; |
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import org.gvsig.fmap.dal.feature.FeatureReference; |
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import org.gvsig.fmap.dal.feature.FeatureStore; |
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import org.gvsig.fmap.dal.feature.spi.FeatureReferenceProviderServices; |
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import org.gvsig.fmap.geom.Geometry; |
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import org.gvsig.fmap.geom.SpatialIndex; |
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import org.gvsig.fmap.geom.SpatialIndexFactory; |
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import org.gvsig.fmap.geom.primitive.Envelope; |
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import org.gvsig.tools.exception.BaseException; |
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import org.gvsig.tools.service.Manager; |
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import org.gvsig.tools.visitor.VisitCanceledException; |
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import org.gvsig.tools.visitor.Visitor; |
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/**
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* @author fdiaz
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*
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*/
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public class WrappedSpatialIndex implements SpatialIndex { |
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private final SpatialIndex index; |
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private final FeatureStore store; |
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protected class Oid2FeatureReferenceVisitor implements Visitor { |
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private final Visitor wrapedVisitor; |
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public Oid2FeatureReferenceVisitor(Visitor wrapedVisitor) {
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this.wrapedVisitor = wrapedVisitor;
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} |
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@Override
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public void visit(Object oid) throws VisitCanceledException, BaseException { |
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DefaultFeatureReference ref = new DefaultFeatureReference(store, oid);
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wrapedVisitor.visit(ref); |
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} |
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} |
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protected class Oid2FeatureReferenceIterator implements Iterator { |
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private final Iterator wrapedIterator; |
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public Oid2FeatureReferenceIterator(Iterator wrapedIterator) { |
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this.wrapedIterator = wrapedIterator;
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} |
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@Override
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public boolean hasNext() { |
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return this.wrapedIterator.hasNext(); |
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} |
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@Override
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public Object next() { |
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Object oid = this.wrapedIterator.next(); |
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DefaultFeatureReference ref = new DefaultFeatureReference(store, oid);
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return ref;
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} |
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@Override
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public void remove() { |
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this.wrapedIterator.remove();
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} |
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} |
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public WrappedSpatialIndex(SpatialIndex index, FeatureStore store) {
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this.index = index;
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this.store = store;
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} |
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@Override
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public SpatialIndexFactory getFactory() {
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return this.index.getFactory(); |
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} |
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@Override
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public void open() { |
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this.index.open();
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} |
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@Override
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public void close() { |
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this.index.close();
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} |
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@Override
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public void query(Envelope envelope, Visitor visitor) { |
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this.index.query(envelope, new Oid2FeatureReferenceVisitor(visitor)); |
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} |
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@Override
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public void query(Geometry geom, Visitor visitor) { |
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this.index.query(geom, new Oid2FeatureReferenceVisitor(visitor)); |
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} |
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@Override
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public Iterator query(Envelope envelope, long limit) { |
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return new Oid2FeatureReferenceIterator(this.index.query(envelope, limit)); |
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} |
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@Override
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public Iterator query(Envelope envelope) { |
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return new Oid2FeatureReferenceIterator(this.index.query(envelope)); |
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} |
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@Override
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public Iterator query(Geometry geom, long limit) { |
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return new Oid2FeatureReferenceIterator(this.index.query(geom, limit)); |
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} |
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@Override
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public Iterator query(Geometry geom) { |
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return new Oid2FeatureReferenceIterator(this.index.query(geom)); |
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} |
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@Override
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public Iterator queryNearest(Envelope envelope, long limit) { |
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return new Oid2FeatureReferenceIterator(this.index.queryNearest(envelope, limit)); |
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} |
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@Override
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public Iterator queryNearest(Envelope envelope) { |
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return new Oid2FeatureReferenceIterator(this.index.queryNearest(envelope)); |
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} |
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@Override
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public Iterator queryNearest(Geometry geom, long limit) { |
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return new Oid2FeatureReferenceIterator(this.index.queryNearest(geom, limit)); |
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} |
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@Override
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public Iterator queryNearest(Geometry geom) { |
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return new Oid2FeatureReferenceIterator(this.index.queryNearest(geom)); |
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} |
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@Override
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public Iterator queryAll() { |
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return new Oid2FeatureReferenceIterator(this.index.queryAll()); |
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} |
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@Override
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public List queryAsList(Envelope envelope) { |
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return asList( this.query(envelope)); |
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} |
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@Override
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public List queryAsList(Geometry geom) { |
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return asList( this.query(geom)); |
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} |
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@Override
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public List queryAllAsList() { |
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return asList( this.queryAll()); |
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} |
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@Override
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public void insert(Envelope envelope, Object data) { |
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this.index.insert(envelope, getOID(data));
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} |
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@Override
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public void insert(Geometry geom, Object data) { |
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this.index.insert(geom, getOID(data));
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} |
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@Override
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public void insert(Geometry geom) { |
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this.index.insert(geom);
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} |
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@Override
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public boolean remove(Envelope envelope, Object data) { |
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return this.index.remove(envelope, getOID(data)); |
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} |
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@Override
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public boolean remove(Geometry geom, Object data) { |
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return this.index.remove(geom, getOID(data)); |
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} |
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@Override
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public boolean remove(Geometry geom) { |
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return this.index.remove(geom); |
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} |
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@Override
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public void removeAll() { |
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this.index.removeAll();
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} |
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@Override
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public long size() { |
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return this.index.size(); |
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} |
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@Override
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public void flush() { |
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this.index.flush();
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} |
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@Override
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public Manager getManager() {
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return this.index.getManager(); |
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} |
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protected Object getOID(Object obj) { |
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if( obj == null ) { |
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return null; |
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} |
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if( obj instanceof FeatureReferenceProviderServices ) { |
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return ((FeatureReferenceProviderServices)obj).getOID();
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} |
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if( obj instanceof Feature ) { |
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FeatureReference f = ((Feature)obj).getReference(); |
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return ((FeatureReferenceProviderServices)f).getOID();
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} |
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if( obj instanceof Number ) { |
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return obj;
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} |
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throw new IllegalArgumentException("Can't get OID from object of type '"+obj.getClass().getName()+"'."); |
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} |
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protected List asList(Iterator it) { |
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List l = new ArrayList(); |
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while (it.hasNext()) {
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l.add(it.next()); |
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} |
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return l;
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} |
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} |